Second parent adoption is a court process in which a parent who is not yet a legal parent adopts their partner's or spouse's child. The existing parent keeps every parental right. When the adoption is final, the child has two legal parents with equal standing. Neither parent's tie to the child is traded away to make room for the other.
Most people facing this question are non-biological parents in a same-sex or LGBTQ family. Some have raised a child since birth and are now wondering whether they are actually a legal parent on paper. Others already hold a parentage judgment and want to know whether adoption adds anything. The questions underneath are usually the same: what happens if the relationship ends, if the birth parent dies, or if the family moves to another state? This article explains what second parent adoption is, who can use it, how it compares with California's other routes to parentage, and why the final order matters long after the hearing is over.
What Second Parent Adoption Means Under California Law
Family Code section 8617 sets the default rule that makes second parent adoption a distinct idea. Under that section, the existing parent or parents of an adopted child are generally "relieved of all parental duties towards, and all responsibility for, the adopted child, and have no right over the child" from the time of the adoption. Read alone, that rule would cut the birth parent out.
Subdivision (b) of the same section supplies the exception. The termination "may be waived if both the existing parent or parents and the prospective adoptive parent or parents sign a waiver at any time prior to the finalization of the adoption." The waiver is filed with the court. That waiver is what lets a second parent adopt while the first parent stays a full legal parent.
Stepparent adoption works on a different footing. In a typical stepparent adoption, the child's other parent from a prior relationship has their rights ended, and the stepparent takes that place beside their spouse. In a second parent adoption, nobody's rights end. Both adults come out of the case as legal parents.
Adoption is also different from parentage established without adoption. California treats a "natural parent" as "a nonadoptive parent established under this part, whether biologically related to the child or not" (Family Code section 7601). Family Code section 7610 says the parent and child relationship with a natural parent may be established by proof of giving birth or under the parentage chapters, and with an adoptive parent "by proof of adoption." So adoption is its own legal status, created by a court order.
Two parts of the code are relevant. Family Code section 8600 opens the general adoption part of the code: "An unmarried minor may be adopted by an adult as provided in this part." Family Code section 9000 governs stepparent adoptions, and subdivision (g) adds that "stepparent adoption includes adoption by a domestic partner, as defined in Section 297." Which framework applies depends on the adults' relationship. A spouse or registered domestic partner generally fits within section 9000. An unmarried, unregistered partner generally does not.
The result is set out in Family Code section 8616: "After adoption, the adopted child and the adoptive parents shall sustain towards each other the legal relationship of parent and child and have all the rights and are subject to all the duties of that relationship."
Who Can Petition for a Second Parent Adoption in California
The petitioner is usually the non-biological or non-gestational partner or spouse of the child's existing legal parent. Family Code section 9000(a) lets a stepparent adopt "a child of the stepparent's spouse." Section 9000(b) gives the same path to "a domestic partner, as defined in Section 297, desiring to adopt a child of the other domestic partner."
Relationship history matters here more than in most families. In November 2008, California voters approved Proposition 8, providing that only marriage between a man and a woman is valid or recognized in California. California allowed no new same-sex marriages from November 2008 until after Hollingsworth v. Perry was decided on June 26, 2013. That case turned only on who had the right to appeal. The Supreme Court held that the people defending Proposition 8 could not appeal the trial court's ruling, so the appeals court's decision was set aside and the trial court's ruling stood.
Many couples registered as domestic partners during those years or earlier. Under AB 205 (Stats. 2003, ch. 421), from January 1, 2005, registered domestic partners have the rights and duties of spouses, whenever they registered. Couples who later married each other often have both a partnership and a marriage. Family Code section 299(e) treats those as two relationships that a court can dissolve together in one proceeding. The partnership is not converted into the marriage.
Consent is the threshold question. Because the existing parent keeps their rights through the waiver in section 8617(b), that parent signs alongside the adopting parent. If the child has another legal parent, such as a known donor who agreed in writing to be a parent, that person's rights are part of the analysis too. A child can have more than two parents under SB 274 (Stats. 2013, ch. 564), which lets a court find that a child has more than two parents when recognizing only two would be detrimental to the child. Eligibility turns on facts about conception, birth and the adults' relationships, so questions about whether a specific family qualifies belong with an adoption attorney.
If a child already has two legal parents, a second parent adoption may not be needed at all. The comparison section below explains how that happens.
How the California Court Process Works
The petition is filed in the superior court. For a stepparent or domestic partner adoption, section 9000 allows filing "in any county authorized by Section 8609.5." The caption carries the petitioners' names but not the child's name. The petition states the child's sex, date of birth and the name the child had before adoption (section 9000(c)).
If a guardianship petition involves the child, the adoption petition must say so. Any guardianship proceeding is then consolidated with the adoption (section 9000(d)). If the adults have signed a postadoption contact agreement, it must be filed before the adoption is final (section 9000(f)).
Adoption cases generally include a review of the adopting parent's home and background before the court acts. How that review is done, and how long it takes, depends on the type of adoption and the county. At the hearing, the judge considers the file. If the adoption goes forward, the order of adoption contains the child's adopted name and prior name (section 9000(e)).
Timelines vary widely. County caseloads, scheduling of the background review and the court calendar all play a part. The California Courts self-help pages describe current adoption procedures in general terms.
LGBTDivorceLaw.com does not take adoption matters. This page explains the law for families trying to understand where they stand; the adoption filing itself is handled by an adoption attorney. More background on the process appears in these LGBT adoption FAQs.
Second Parent Adoption Compared to Other Routes to Legal Parentage in California
Family Code section 7602 sets the baseline: "The parent and child relationship extends equally to every child and to every parent, regardless of the marital status of the parents." From there, California offers several routes to parentage. Adoption is one of them.
Presumptions. Family Code section 7611 lists situations in which a person "is presumed to be the natural parent of a child." These include being married to the child's birth parent when the child is born, or within 300 days after the marriage ends (subdivision (a)). They also include receiving the child into the home and openly holding the child out as one's own (subdivision (d)). Because registered domestic partners have the rights and duties of spouses, the marriage-based presumption is generally available to them as well.
Voluntary declarations of parentage. Section 7611 also points to Chapter 3, beginning at section 7570, which covers voluntary declarations. A voluntary declaration is a signed document that can establish parentage without a court hearing.
Assisted reproduction. Family Code section 7613(a)(1) provides that when a woman conceives through assisted reproduction with donor sperm or eggs, "with the consent of another intended parent, that intended parent is treated in law as if that intended parent is the natural parent." That consent is to be in writing and signed by both. Without a writing, a court may still find consent by clear and convincing evidence of an oral agreement before conception. Under section 7613(b), a donor who provides sperm to a licensed physician or sperm bank is generally not a parent. The detailed rules for donors are covered in our article on assisted reproduction and parentage and our guide to known donor agreements.
Court judgments. A superior court can enter a judgment of parentage in a parentage action.
More than two parents. SB 274 allows a court to recognize a third parent when recognizing only two parents would be detrimental to the child.
For a family that already has parentage through a presumption, a voluntary declaration or assisted-reproduction consent, adoption may add little under California law. Some families still pursue it because an adoption decree is a court judgment rather than a presumption that can be contested. No route is better in the abstract. The right fit depends on how the child was conceived and what the adults' relationship was at the time.
Why the Adoption Order Matters After the Adoption Is Final
Section 8616 is the heart of it. Once the adoption is final, the adopting parent holds "all the rights" and is "subject to all the duties" of a parent. That includes custody and visitation rights, the duty to support the child and the child's place as an heir.
A final adoption order is a court judgment. Families who travel, relocate or have relatives who might challenge the non-biological parent often value a judgment because it rests on a court order rather than on facts that someone could later dispute. A presumption under section 7611(d), for example, depends on proof that the parent held the child out as their own.
The impact is clearest when a relationship ends. In a divorce or dissolution, an adoptive parent's status is already settled. Both parents can ask for custody and visitation, and both can be ordered to pay child support. For non-biological parents who never adopted, the separation is often the moment parentage first gets tested. Our article on non-biological parents in same-sex divorces covers that situation and the wider divorce process. For registered partners, section 299(d) applies the same rights and duties in dissolution as in divorce.
The adoption does not reduce the existing parent's standing. Because of the section 8617(b) waiver, both parents stand as equals.
LGBTDivorceLaw.com handles the California family law questions that come after an adoption is final, including parentage, custody, support and divorce. It does not handle the adoption proceeding itself.
When Second Parent Adoption May Not Be Available or Necessary
Section 7611(a) often settles parentage before adoption is ever raised. A non-biological parent who was married to the birth parent when the child was born is a presumed parent. The same generally holds for registered domestic partners, given AB 205. For many couples who married after 2013, or who were registered partners at the birth, parentage may already exist under California law.
Assisted-reproduction consent works the same way. A signed written consent under section 7613(a) treats the intended parent as a natural parent from the start. A voluntary declaration can also establish parentage at or after birth.
Adoption tends to come up most in three settings:
- No existing status. The non-biological parent was neither married nor registered at the birth, signed no consent or declaration, and has no judgment.
- Interstate concerns. The family may move or spend time in states with less protective parentage law, as discussed in the section above.
- Added certainty. The family wants a court order on top of a presumption or consent.
Whether adoption fits a particular family, and what it involves, turns on the specific facts. The code sections discussed here do not rule out second parent adoption in any one scenario. They do show that many California families already have more legal protection than they realize. Broader context for parents appears in this overview of LGBT parent custody laws.
If You'd Like to Talk Through Your Parentage or Custody Question
Second parent adoption sits where relationship history, conception and parentage law meet. The answer for one family can look very different from the answer for another. A conversation about the related family law question usually turns on a few facts: whether the adults were married or registered when the child was born, whether there was a signed assisted-reproduction consent or voluntary declaration, and whether a separation, custody dispute or move is on the horizon. For readers whose only question is the adoption filing itself, an adoption attorney is the more useful first call.
To talk through a parentage, custody or divorce question connected to your family, call LGBTDivorceLaw.com at (866) 343-4226 for a confidential consultation.